Felt pen



FIG. 1 is a perspective view of a felt pen showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a perspective view thereof with the cap removed;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a side elevational view thereof;

FIG. 7 is a top plan view thereof; and

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a felt pen, substantially as shown and described. 